title: Presence of histaminase in fetal calf sera.
mesh_terms: D006631:Amine Oxidase (Copper-Containing) / Q000097:blood*; D000818:Animals; D001491:Basophils / Q000166:cytology; D002417:Cattle; D002454:Cell Differentiation; D003470:Culture Media; D005260:Female; D005333:Fetus / Q000201:enzymology*; D006632:Histamine / Q000096:biosynthesis; D006736:Horses; D006801:Humans; D008214:Lymphocytes / Q000378:metabolism; D008407:Mast Cells / Q000166:cytology; D051379:Mice; D011247:Pregnancy; D011970:Receptors, Histamine H2
chemical_list: D003470:Culture Media; D011970:Receptors, Histamine H2; D006632:Histamine; D006631:Amine Oxidase (Copper-Containing)